Sr. DevSecOps Engineer - Remote - Military veterans preferred

Sr. DevSecOps Engineer - Remote
CTO 5149-585

CALIBRE is an employee-owned mission focused solutions and digital transformation company. We are seeking a Senior DevSecOps Engineer to work in our Spectro Cloud Kubernetes management practice. You will deliver advanced DevSecOps, Kubernetes, and cloud-native automation services to clients, helping mission-focused teams operationalize secure, scalable workloads in AWS EKS and Spectro Cloud Palette Vertex environments.

Key Responsibilities:

• Architect, deploy, and manage AWS EKS and Spectro Cloud Palette Vertex clusters for mission workloads.
• Implement GitOps workflows using Helm, Flux, and Istio for secure, automated deployments.
• Build and manage DevSecOps pipelines to integrate security scanning, infrastructure as code, and automated testing within CI/CD processes.
• Configure and optimize NGINX ingress controllers and Keycloak for secure ingress and identity management.
• Provide Kubernetes administration, tuning, and security hardening aligned with best practices.
• Collaborate with customer teams to operationalize deployments while enabling a security-first DevSecOps culture.
• Develop clear documentation and knowledge transfer materials to support customer sustainment.

• Advanced Kubernetes (K8s) administration experience.
• Hands-on expertise with AWS EKS
• Experience with GitOps using Helm and Flux.
• Experience with Istio service mesh for traffic management and security.
• Working knowledge of NGINX ingress controllers and Keycloak for access and identity management.
• Proficiency in scripting and infrastructure as code (Terraform, Ansible, or similar).
• Strong troubleshooting skills across distributed, containerized environments.
• Excellent communication and collaboration skills for remote work and customer interaction.

Preferred Qualifications:

• Experience with additional cloud-native management platforms.
• Experience with Spectro Cloud
• Certifications in Kubernetes (CKA/CKAD), AWS, or security-related areas.
• Familiarity with implementing STIG and compliance requirements in cloud environments.
• Experience working in agile, mission-driven environments.

• 8+ years of experience across cloud infrastructure, DevSecOps toolchains, and automation pipelines.
• Able to obtain a Top Secret security clearance/Must be a US Citizen

REMOTE, United States

Full-Time/Regular

Equal Opportunity Employer, including disability/protected veterans



Equal employment opportunity, including veterans and individuals with disabilities.

PI275489261